Definition of "bur" [bur]

• A rough prickly husk or covering surrounding the seeds or fruits of plants such as the chestnut or the burdock. (noun)
• A plant producing such husks or coverings. (noun)
• A persistently clinging or nettlesome person or thing. (noun)
• A rough protuberance, especially a burl on a tree. (noun)
• Any of various rotary cutting tools designed to be attached to a drill. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "= For the mechanical removing of burs a machine called the bur picker is employed."
• "Western species, such as bur oak and Durand oak, were native to Ecoregion 35g but were typically absent from the Mississippi Alluvial Plain (73)."
• "How can anyone blame Pres Obama for any of the mess this country is in not only domestically bur foreign, because he has only been in office for 7 months????"